<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        *{
            margin: 0px;
            padding: 0px;
        }
        .box{
            width: 970px;
            height: 580px;
            margin: auto;
            
        }
        .banner{
            height: 103px;
            float: left;
        }
        .c1{
            height: 103px;
            width: 277px;
            background-color: red;
            float: left;
            }
        .c2{
                height: 49px;
                width: 137px;
                background-color: green;
                float: right;
            }
            .c3{
                height: 46px;
                width: 679px;
                background-color: green;
                margin-top: 8px;
                margin-left: 8px;
                float: right;
                
            }
            .middle{
                height: 435px;
                margin-top: 8px;
                float: left;

            }
            .m1{
                height: 435px;
                width: 310px;
                background-color: yellow;
                float: left;

            }
            .m2{
                margin-left: 10px;
                width: 450px;
                float: left;
            }
            .m21{
                height: 240px;
                background-color: lightblue;
                
            }
            .m22{
                height: 110px;
                margin-top: 10px;
                background-color: lightblue;
                
            }
            .m23{
                height: 30px;
                margin-top: 10px;
                background-color: lightblue;
                
            }
            .m3{
                height: 400px;
                width: 190px;
                background-color: purple;
                margin-left: 10px;
                float: left;
            }
          .m4{
            height: 25px;
            width: 650px;
            float: left;
            margin-left: 10px;
            margin-top: 10px;
            background-color: blue;
          }
          .bottom{
            height: 25px;
            width: 970px;
            margin-top: 10px;
            float: left;
            background-color: burlywood;
          }
            
        
    </style>
</head>
<body>
    <div class="box">
        <div class="banner">
            <div class="c1">Logo</div>
            <div class="c2">语音选择</div>
            <div class="c3">导航条</div>
        </div>
        <div class="middle">
            <div class="m1">大广告</div>
            <div class="m2">
                <div class="m21"></div>
                <div class="m22"></div>
                <div class="m23"></div>
            </div>
            <div class="m3"></div>
            <div class="m4"></div>
        </div>
        <div class="bottom"></div>
    </div>
    
        
</body>
</html>